Fritz Haller is an American slalom canoeist who competed from the early 1980s to the mid-1990s. He won four medals at the ICF Canoe Slalom World Championships with two golds (C2: 1983; mixed C2: 1981) a silver (C2 team: 1983) and a bronze (C2 team: 1985).
Most of his career he was partnered by his older brother Lecky Haller.